For instance, commission rates under the categories home improvement, furniture, lawn and garden, and pet products will see a commission rate of 8 percent per sale drop down to just 3 percent. For headphones, beauty products, and musical instruments, commission rates will go from 6 percent down to 3 percent. Many other categories — including grocery, sports, baby products, and outdoors and tools — are all dropping down to 3 or 1 percent, CNBC reports, from 4 percent or higher